# Distance from Buenos Aires (AEP) to Thakhek (THK)

> 17,482 km · estimated flight time 22h · Ultra-long-haul route.

## Summary

- **Distance**: 17,482 km / 10,863 mi / 9,440 nm
- **Estimated flight time**: 22h
- **Heading**: 135° (southeast)
- **Return heading**: 218° (southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Argentina) → Laos
- **Intercontinental**: South America → Asia
- **Time difference**: +10h (When it's 10:00 in Buenos Aires, it's 20:00 in Thakhek)
- **Elevation difference**: 431 ft (THK is higher than AEP)

## Airports

### [Jorge Newbery Airpark (AEP)](https://www.flightduration.online/airport/aep-buenos-aires-jorge-newbery-airpark/1ef266df-90fd-6222-98d7-06bb2780ed98)

- City: Buenos Aires, Argentina
- ICAO: SABE
- Timezone: America/Argentina/Buenos_Aires
- Coordinates: -34.560000, -58.420000
- Elevation: 18 ft

### [Thakhek Airport (THK)](https://www.flightduration.online/airport/thk-thakhek-thakhek-airport/1ef266df-f29f-6052-be01-06bb2780ed98)

- City: Thakhek, Laos
- ICAO: VLTK
- Timezone: Asia/Bangkok
- Coordinates: 17.400000, 104.800000
- Elevation: 449 ft

## Route notes

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 10:00 in Buenos Aires, it's 20:00 in Thakhek.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Jorge Newbery Airpark (AEP)](https://www.flightduration.online/airport/aep-buenos-aires-jorge-newbery-airpark/1ef266df-90fd-6222-98d7-06bb2780ed98)
- [Thakhek Airport (THK)](https://www.flightduration.online/airport/thk-thakhek-thakhek-airport/1ef266df-f29f-6052-be01-06bb2780ed98)
- [Flight duration calculator](/#calculator)